Not only does responsible spaying and neutering reduce the numbers of unwanted cats and dogs, it also provides health benefits for your pet. (ispca.ie)
Contrary to previous beliefs, waiting until after the first heat cycle to spay does not provide any health benefits — it actually increases the risk of breast cancer. (dogcare.dailypuppy.com)
They also provide health benefits to the pond in terms of water quality and the overall ecosystem. (petbusiness.com)